List usersList = (List) getServlet().getServletContext().getAttribute("users");
JDOMForm jdomForm = (JDOMForm) form;
String firstName = jdomForm.getValue("/user/name/firstname");
String lastName = jdomForm.getValue("/user/name/lastname");
String email = jdomForm.getValue("/user/email");
usersList.add(new User(firstName, lastName, email));
return mapping.findForward("success");